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From: Broad Liyn <broadliyn@gmail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: unchecked conversion warning.
Date: Sun, 10 Jun 2012 21:52:23 -0700 (PDT)
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=AA=E7=9F=A5=EF=BC=89=E5=86=99=E9=81=93=EF=BC=9A
> This code compiles with an 'unchecked conversion' warning.
> I have tried various corrections, for example casting like (Vector<Object=
>), but to no
> avail.
> What am I doing wrong?l
> The code is the smallest demo I could make from the original application.
>=20
> import java.util.Vector;
> public class genericsdemo
> {
>   private static Vector<Vector> vdata =3D new Vector<Vector>(); //a Vecto=
r of Vectors
>   private static Vector<Object> vrow  =3D new Vector<Object>(); //a row
>=20
>   public static void main(String args[]) {
>     vrow.add(null); //two columns in the row
>     vrow.add(null);
>=20
>     vdata.add(vrow); //add the row to the Vector of Vectors
>=20
>     Vector vtmp =3D getrow(); //test
>   }
>=20
>   private static Vector<Object> getrow() {
>     return vdata.elementAt(0);  //warning: [unchecked] unchecked conversi=
on
>   }
> }
>=20
> JensJ
1.vector is no longer being supported.
2.